   "diciotto"
   (number 18)
 
+  "19"
+  "diciannove"
+  (number 19)
+  
+  "20"
+  "venti"
+  (number 20)
+  
   "1,1"
   "1,10"
   "01,10"

  "0033"
  (number 33)
  
  "14"
  "quattordici"
  (number 14)
  
  "16"
  "sedici"

  (number -1200000)
  
  "primo"
  "prima"
  "1°"
  "1ª"
  (ordinal 1)

  "secondo"
  "seconda"
  "2°"
  "2ª"
  (ordinal 2)

  "terzo"
  "terza"
  "3°"
  "3ª"
  (ordinal 3)
  
  "quarto"
  "quarta"
  "4°"
  "4ª"
  (ordinal 4)
  
  "quinto"
  "quinta"
  "5°"
  "5ª"
  (ordinal 5)

  "sesto"
  "sesta"
  "6°"
  "6ª"
  (ordinal 6)
  
  "settimo"
  "settima"
  "7°"
  "7ª"
  (ordinal 7)
  
  "ottavo"
  "ottava"
  "8°"
  "8ª"
  (ordinal 8)
  
  "nono"
  "nona"
  "9°"
  "9ª"
  (ordinal 9)
  
  "decimo"
  "decima"
  "10°"
  "10ª"
  (ordinal 10)
  
)

